Zuckerberg and company are dealing with yet another privacy problem. This time it isn’t their assine privacy policies but rather, a gaffe in their code.
From PC World:
The bug has to do with the way that Facebook checked to make sure that browsers connecting with the site were the ones they claimed to be. Facebook’s servers use code called a “post_form_id” token to check that the browser trying to do something — liking a group, for example — was actually the browser that had logged into the account. Facebook’s servers check this token before making any changes to the user’s page, but Keith discovered that when he simply deleted the token from messages, he could change many settings on any Facebook account.
“It’s like putting locks on a bunch of stuff but not locking them,” he said in an interview.
Vulnerability posting
(Image used under CC from Jez Page)